Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation and Other Benefit Plans (Stock Option Valuation Assumptions) (Details)

v3.21.1
Stock-Based Compensation and Other Benefit Plans (Stock Option Valuation Assumptions) (Details) - $ / shares
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Valuation of the options granted    
Weighted average exercise price - ($/share) $ 3.14  
Expected life in years 6 years 0 years
Average expected volatility 75.00%  
Risk-free interest rate 0.95%  
Weighted average grant date fair value - ($/share) $ 2.07